1.Burden and Trends of Ulcerative Colitis in China and Worldwide
Weiqing ZHANG ; Yizhong LIANG ; Meilan MO ; Zhulin WU ; Weijun LUO ; Dong ZHANG ; Derong LIN
Journal of Sun Yat-sen University(Medical Sciences) 2026;47(5):857-867
ObjectiveTo assess changes in the incidence, prevalence, and disability-adjusted life-year (DALY) burden of ulcerative colitis (UC) in China and worldwide from 1990 to 2023 using data from the Global Burden of Disease Study 2023 (GBD 2023), and to examine demographic drivers and future trends. MethodsUC data for China, the world, and 204 countries and territories were extracted from the GBD 2023 Results Tool. Age-standardized incidence rate (ASIR), age-standardized prevalence rate (ASPR), and age-standardized DALY rate (ASDR), with 95% uncertainty interval (UI), were obtained. Joinpoint regression was used to estimate average annual percent change (AAPC) and 95% confidence interval (CI). Spearman rank correlation, inequality and frontier analyses, Das Gupta decomposition, and autoregressive integrated moving average (ARIMA) models were used to assess associations with the sociodemographic index (SDI), cross-country burden disparities, demographic drivers, and trends from 2024 to 2035, respectively. ResultsIn 2023, the ASIR, ASPR, and ASDR in China were 0.94, 5.95, and 5.94 per 100 000 population, respectively, lower than the corresponding global estimates of 2.87, 28.48, and 13.82 per 100 000 population. From 1990 to 2023, China’s ASIR and ASPR increased, with AAPCs of 2.720% (95% CI: 2.133%-3.309%) and 2.261% (95% CI: 1.617%-2.908%), whereas the ASDR decreased (AAPC=-3.056%, 95% CI: -3.449% to -2.662%). Globally, ASIR increased slightly, whereas ASPR and ASDR decreased. In China, the crude incidence, prevalence, and DALY rates peaked at ages 50-54 years, 60-64 years, and ≥95 years, respectively. ASIR and ASPR were positively correlated with SDI (rs=0.5794 and 0.6177, both P<0.001), whereas the correlation between ASDR and SDI was not statistically significant (rs=0.0666, P=0.343). In China, epidemiological change contributed most to increases in incident and prevalent cases, and changes in age-specific rates contributed most to the decline in DALYs; globally, population growth and population aging contributed most to the increase in DALYs. By 2035, China’s ASIR, ASPR, and ASDR were projected to be 1.23, 6.37, and 2.55 per 100 000 population, respectively. ConclusionsFrom 1990 to 2023, the age-standardized incidence and prevalence rates of UC increased in China, whereas the age-standardized DALY rate decreased, and peaks in absolute burden generally shifted toward middle-aged and older age groups. The projected directions may persist. These findings may provide reference for long-term UC management and health-resource planning.
2.Burden and Trends of Ulcerative Colitis in China and Worldwide
Weiqing ZHANG ; Yizhong LIANG ; Meilan MO ; Zhulin WU ; Weijun LUO ; Dong ZHANG ; Derong LIN
Journal of Sun Yat-sen University(Medical Sciences) 2026;47(5):857-867
ObjectiveTo assess changes in the incidence, prevalence, and disability-adjusted life-year (DALY) burden of ulcerative colitis (UC) in China and worldwide from 1990 to 2023 using data from the Global Burden of Disease Study 2023 (GBD 2023), and to examine demographic drivers and future trends. MethodsUC data for China, the world, and 204 countries and territories were extracted from the GBD 2023 Results Tool. Age-standardized incidence rate (ASIR), age-standardized prevalence rate (ASPR), and age-standardized DALY rate (ASDR), with 95% uncertainty interval (UI), were obtained. Joinpoint regression was used to estimate average annual percent change (AAPC) and 95% confidence interval (CI). Spearman rank correlation, inequality and frontier analyses, Das Gupta decomposition, and autoregressive integrated moving average (ARIMA) models were used to assess associations with the sociodemographic index (SDI), cross-country burden disparities, demographic drivers, and trends from 2024 to 2035, respectively. ResultsIn 2023, the ASIR, ASPR, and ASDR in China were 0.94, 5.95, and 5.94 per 100 000 population, respectively, lower than the corresponding global estimates of 2.87, 28.48, and 13.82 per 100 000 population. From 1990 to 2023, China’s ASIR and ASPR increased, with AAPCs of 2.720% (95% CI: 2.133%-3.309%) and 2.261% (95% CI: 1.617%-2.908%), whereas the ASDR decreased (AAPC=-3.056%, 95% CI: -3.449% to -2.662%). Globally, ASIR increased slightly, whereas ASPR and ASDR decreased. In China, the crude incidence, prevalence, and DALY rates peaked at ages 50-54 years, 60-64 years, and ≥95 years, respectively. ASIR and ASPR were positively correlated with SDI (rs=0.5794 and 0.6177, both P<0.001), whereas the correlation between ASDR and SDI was not statistically significant (rs=0.0666, P=0.343). In China, epidemiological change contributed most to increases in incident and prevalent cases, and changes in age-specific rates contributed most to the decline in DALYs; globally, population growth and population aging contributed most to the increase in DALYs. By 2035, China’s ASIR, ASPR, and ASDR were projected to be 1.23, 6.37, and 2.55 per 100 000 population, respectively. ConclusionsFrom 1990 to 2023, the age-standardized incidence and prevalence rates of UC increased in China, whereas the age-standardized DALY rate decreased, and peaks in absolute burden generally shifted toward middle-aged and older age groups. The projected directions may persist. These findings may provide reference for long-term UC management and health-resource planning.
3.Intelligent recognition and automatic measurement of uterine fibroids based on ultrasonic images
Yanhui ZHANG ; Yi XIONG ; Bo SHI ; Xiaobing LIANG ; Meilan CHEN ; Kai WU
Chinese Journal of Ultrasonography 2025;34(7):602-607
Objective:To develop an intelligent recognition and precise segmentation technique using ultrasonic images,and to enhance diagnostic efficiency and accuracy.Methods:A total of 1,430 patients diagnosed with uterine fibroids through transvaginal ultrasonography at the Maternal and Child Health Hospital of Guangming from November 2020 to October 2024 were retrospectively included. Ultrasonic images were manually annotated by two experienced physicians and reviewed by a senior expert. The Mask DINO deep learning model was used for lesion segmentation,and the segmentation results were optimized using ellipse fitting technology. Model performance was evaluated using the Dice coefficient,intraclass correlation coefficient(ICC),mean absolute error(MAE),and measurement accuracy.Results:In the test set of 286 cases,the average Dice coefficient of model prediction was 0.992,indicating extremely high segmentation accuracy. The average accuracy of lesion identification by the model was 0.909,with 241 correctly identified samples,19 basically correct samples,and 26 incorrect samples. In terms of long and short axis measurements,the ICC of the model's direct predictions were 0.871(short axis)and 0.784(long axis),with MAE of 0.436 cm(short axis)and 0.508 cm(long axis). After optimization with ellipse fitting,the ICC increased to 0.893(short axis)and 0.866(long axis),and the MAE decreased to 0.191 cm(short axis)and 0.274 cm(long axis),the measurement accuracy improved significantly.Conclusions:The intelligent recognition and precise segmentation technique for uterine fibroids based on ultrasonic images constructed in this study performed excellently in lesion segmentation and measurement,it can significantly improve the efficiency and accuracy of diagnosis.
4.Research progress on the application of modern information technology in home-based self-management of stroke patients
Hui WANG ; Menghan XUE ; Xiaoxuan WANG ; Meilan NIU ; Yanhui ZHANG ; Zhenxiang ZHANG
Chinese Journal of Modern Nursing 2025;31(23):3087-3091
Home-based self-management can effectively improve functional status and slow disease progression in patients with stroke. Modern information technology has brought new opportunities for enhancing stroke self-management at home. This review summarizes the current application of modern information technologies-including artificial intelligence, mobile devices, virtual reality, and the Internet of Things-in home-based self-management for stroke patients. Based on this, the review further discusses the challenges and opportunities associated with applying these technologies, aiming to provide a reference for promoting their broader implementation in stroke patient self-management.
5.Research progress on the application of modern information technology in home-based self-management of stroke patients
Hui WANG ; Menghan XUE ; Xiaoxuan WANG ; Meilan NIU ; Yanhui ZHANG ; Zhenxiang ZHANG
Chinese Journal of Modern Nursing 2025;31(23):3087-3091
Home-based self-management can effectively improve functional status and slow disease progression in patients with stroke. Modern information technology has brought new opportunities for enhancing stroke self-management at home. This review summarizes the current application of modern information technologies-including artificial intelligence, mobile devices, virtual reality, and the Internet of Things-in home-based self-management for stroke patients. Based on this, the review further discusses the challenges and opportunities associated with applying these technologies, aiming to provide a reference for promoting their broader implementation in stroke patient self-management.
6.Intelligent recognition and automatic measurement of uterine fibroids based on ultrasonic images
Yanhui ZHANG ; Yi XIONG ; Bo SHI ; Xiaobing LIANG ; Meilan CHEN ; Kai WU
Chinese Journal of Ultrasonography 2025;34(7):602-607
Objective:To develop an intelligent recognition and precise segmentation technique using ultrasonic images,and to enhance diagnostic efficiency and accuracy.Methods:A total of 1,430 patients diagnosed with uterine fibroids through transvaginal ultrasonography at the Maternal and Child Health Hospital of Guangming from November 2020 to October 2024 were retrospectively included. Ultrasonic images were manually annotated by two experienced physicians and reviewed by a senior expert. The Mask DINO deep learning model was used for lesion segmentation,and the segmentation results were optimized using ellipse fitting technology. Model performance was evaluated using the Dice coefficient,intraclass correlation coefficient(ICC),mean absolute error(MAE),and measurement accuracy.Results:In the test set of 286 cases,the average Dice coefficient of model prediction was 0.992,indicating extremely high segmentation accuracy. The average accuracy of lesion identification by the model was 0.909,with 241 correctly identified samples,19 basically correct samples,and 26 incorrect samples. In terms of long and short axis measurements,the ICC of the model's direct predictions were 0.871(short axis)and 0.784(long axis),with MAE of 0.436 cm(short axis)and 0.508 cm(long axis). After optimization with ellipse fitting,the ICC increased to 0.893(short axis)and 0.866(long axis),and the MAE decreased to 0.191 cm(short axis)and 0.274 cm(long axis),the measurement accuracy improved significantly.Conclusions:The intelligent recognition and precise segmentation technique for uterine fibroids based on ultrasonic images constructed in this study performed excellently in lesion segmentation and measurement,it can significantly improve the efficiency and accuracy of diagnosis.
7.Effect of tuberculosis prevention and control in Wuhan in 2016 - 2021
Zhouqin LU ; Yuehua LI ; Meilan ZHOU ; Zhengbin ZHANG ; Dan TIAN ; Jianjie WANG ; Aiping YU ; Gang WU
Journal of Public Health and Preventive Medicine 2024;35(3):73-76
Objective To analyze and evaluate the implementation effect of tuberculosis prevention and control program in Wuhan, and to provide reference for scientific formulation of tuberculosis prevention and control measures. Methods Using the National Tuberculosis Information Management System, descriptive statistical analysis was carried out on the medical record information of pulmonary tuberculosis patients registered in Wuhan , 2016 - 2021. Results A total of 34 937 cases of pulmonary tuberculosis were registered in Wuhan , with an average annual incidence rate of 49.85/100 000. The incidence rate showed a downward trend year by year, with a statistically significant difference in 2016—2021 (χ2trend = 708.387, P<0.001). The patients mainly came from referrals, accounting for 71.86%, and the proportion of referrals varied significantly among different years (χ2=355.541, P<0.001). The diagnosis type was mainly pathogenic negative, accounting for 49.12%. The proportion of pathogenic negative had statistically significant difference among different years (χ2=1 354.830, P<0.001). The proportion of patients cured and completed the course of treatment reached 93.98%, with statistically significant differences in the proportions among different years (cured, χ2=1 080.252, P<0.001; completed the treatment course, χ2= 933.655, P<0.001). The sputum examination rate of newly diagnosed patients in each year reached over 90%, and the overall completion rate reached over 95%. The proportion of positive pathogens showed an increasing trend year by year. Conclusion The overall epidemic situation of tuberculosis in Wuhan is declining year by year, and tuberculosis prevention and control work has achieved remarkable results. Active screening in key areas and populations should be strengthened, and prevention and control strategies should be formulated by emphasizing the key and difficult points.
8.Quantitative analysis of three-dimensional deformity indexes of the first metatarsal bone after osteotomy and orthosis for hallux valgus deformity
Xiaoliang ZHAO ; Meilan SUN ; Tianyuan YAN ; Shizhe ZHANG ; Guochang NIU ; Yulong GUAN ; Hua LI
Chinese Journal of Tissue Engineering Research 2024;33(33):5302-5307
BACKGROUND:The displacement change parameters of the bone structure of the first metatarsal bone at the two-dimensional level of hallux valgus deformity are of great significance for clinical diagnosis and treatment,while the quantitative analysis of the three-dimensional deformity index may have some influences on the postoperative efficacy. OBJECTIVE:To explore the quantitative change of the three-dimensional deformity index of the first metatarsal bone after routine osteotomy and orthosis for hallux valgus deformity and to provide reference for clinical work. METHODS:100 patients with hallux valgus deformity(foot)in Hengshui People's Hospital from October 2020 to April 2023 were selected and all of them underwent conventional osteotomy and orthosis.Foot function was assessed by the American Orthopedic Foot and Ankle Society Ankle-Hindfoot Scale 6 months after surgery.Anterolateral X-rays of the foot in weight-bearing position and CT images in simulated weight-bearing position were taken before surgery and 6 months after surgery.The three-dimensional deformity indexes of the first metatarsal bone before and after surgery were quantitatively analyzed in patients with different ages,genders and therapeutic effects,including first-second intermetatarsal angle,hallux valgus angle,distal metatarsal articular angle,tibial sesamaid position,and first metatarsal rotation α angle.The value of the difference of three-dimensional deformity indexes of the first metatarsal bone before and after operation in evaluating the curative effect was analyzed. RESULTS AND CONCLUSION:(1)Six months after operation,the American Orthopedic Foot and Ankle Society score was 75-98(88.25±4.14)points,among which 56 cases were excellent,28 cases were good,14 cases were average,and 2 cases were poor.The excellent and good rate was 84%(84/100).(2)Compared with the preoperative results,first-second intermetatarsal angle,hallux valgus angle,distal metatarsal articular angle,tibial sesamaid position,and first metatarsal rotation α angle were significantly improved in patients of different ages and genders 6 months after surgery(P<0.05).First-second intermetatarsal angle,hallux valgus angle,distal metatarsal articular angle,tibial sesamaid position,and first metatarsal rotation α angle were all lower in patients with good curative effect 6 months after surgery than those with poor curative effect,and the difference before and after surgery was greater than those with poor curative effect(P<0.05).(3)The area under the curve of the difference evaluation of the first metatarsal three-dimensional deformity index before and after surgery was above 0.7,and the area under the curve of the combined evaluation of all indexes was the largest(0.902),which was significantly greater than the first metatarsal rotation α angle and distal metatarsal articular angle(P<0.05).(4)The quantitative analysis of the three-dimensional deformity index of the first metatarsal in patients with hallux valgus deformity is related to the postoperative effect,which has important guiding significance for improving the accuracy and comprehensiveness of preoperative evaluation and improving the treatment plan.
9.Treating Arrhythmia from the Perspective of Qi and Blood Correlation Based on Luobing Theory
Hongrong LI ; Meilan GAO ; Jiehan ZHANG ; Yiling WU
Journal of Nanjing University of Traditional Chinese Medicine 2024;40(10):1004-1012
Qi and blood are the two cornerstones of the theoretical system of traditional Chinese medicine.Luobing theory con-structs an academic system with the prominent characteristics of"Qi-blood correlation"to guide the prevention and treatment of compli-cated diseases of internal injury and severe external diseases.Qi is the leader of blood,blood is the mother of Qi,qiluo runs meridian qi,mailuo runs blood,and the relationship between qiluo and mailuo is essentially a dialectical relationship between Qi and blood.Qi and blood play a role in the regulation of collaterals,warming and nourishing,blood supply and Qi supply,and the exchange of Jin and blood.The normal structure and function of collateral vessel is the key factor to maintain the normal structure and function of the viscer-a.The collateral vessel entering the viscera is the collateral of the viscera,and entering the heart is divided into the mailuo of the heart and the qiluo of the heart.Cardiac mailuo infiltration can nourish the heart tissue and provide material basis for maintaining the struc-ture and function of the heart,which is identical with the modern medical coronary system and cardiac microvessels;qiluo regulates cardiac function,maintains cardiac systolic pulsation,and has the same identity with cardiac conduction system and regulatory mecha-nism.The interaction of mailuo disease and qiluo disease can lead to arrhythmias,such as coronary heart disease arrhythmias and pri-mary arrhythmias.According to the therapeutic principle that collateral vessels work by circulation,the key to the treatment of arrhyth-mia is to unobstruct the collateral veins and harmonize Qi and blood,which has important guiding value for the treatment of arrhythmia.The treatment of arrhythmias should not only remove pathogenic factors and improve cardiac conduction function,but also protect cardiac microcirculation,especially for arrhythmias without clear organic disease,which provides a new idea for the prevention and treatment of arrhythmias by combining traditional Chinese and Western medicine.
10.Research on community learning model in network teaching of Biochemistry course
Meilan XUE ; Zheng ZHANG ; Mengyang LI ; Jianxun WANG ; Lin HOU ; Jinyu ZHANG ; Quan LI
Chinese Journal of Medical Education Research 2023;22(4):536-539
In the online teaching of Biochemistry course, a variety of network resource platforms (such as Zhihuishu learning network, teleconference, WeChat, QQ, etc) were used to establish a learning community. The teaching content and teaching plan were carefully designed and implemented, enriching the knowledge system of the learning community. And then blending teaching was performed through the combination of live broadcasting and online interaction. In addition to teaching students the basic knowledge of biochemistry, it is also combined with clinical cases and life examples to interact and discuss with students in various forms, giving full play to the advantages of learning community and improving the quality and effect of online learning.


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